Hen 14 different second-year medical students at bellevue hospital measured the systolic blood pressure of the same person, the sample mean was 134 mmhg. assuming that the population standard deviation is known to be 10 mmhg, use a .05 significance level to test the claim that the mean blood pressure is less than 140 mmhg. use our 4-step procedure.

Which of the following three dimensional figures has a circle as it’s base

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.